, or

tag if missing. $pee = preg_replace('!

([^<]+)!', "

", $pee); // If an opening or closing block element tag is wrapped in a

, unwrap it. $pee = preg_replace('!

\s*(]*>)\s*

!', "$1", $pee); // In some cases

may get wrapped in

, fix them. $pee = preg_replace("|

(|", "$1", $pee); // If a

is wrapped with a
, move it inside the
. $pee = preg_replace('|
]*)>|i', "
", $pee); $pee = str_replace('
', '

', $pee); // If an opening or closing block element tag is preceded by an opening

tag, remove it. $pee = preg_replace('!

\s*(]*>)!', "$1", $pee); // If an opening or closing block element tag is followed by a closing

tag, remove it. $pee = preg_replace('!(]*>)\s*

!', "$1", $pee); // Optionally insert line breaks. if ($br) { // Replace newlines that shouldn't be touched with a placeholder. $pee = preg_replace_callback('/<(script|style).*?<\/\\1>/s', '_autop_newline_preservation_helper', $pee); // Normalize
$pee = str_replace(array('
', '
'), '
', $pee); // Replace any new line characters that aren't preceded by a
with a
. $pee = preg_replace('|(?)\s*\n|', "
\n", $pee); // Replace newline placeholders with newlines. $pee = str_replace('', "\n", $pee); } // If a
tag is after an opening or closing block tag, remove it. $pee = preg_replace('!(]*>)\s*
!', "$1", $pee); // If a
tag is before a subset of opening or closing block tags, remove it. $pee = preg_replace('!
(\s*]*>)!', '$1', $pee); $pee = preg_replace("|\n

$|", '

', $pee); // Replace placeholder

 tags with their original content.
                if (!empty($pre_tags))
                    $pee = str_replace(array_keys($pre_tags), array_values($pre_tags), $pee);

                // Replace placeholder shortcode tags with their original content.
                if (!empty($shortcode_tags))
                    $pee = str_replace(array_keys($shortcode_tags), array_values($shortcode_tags), $pee);

                // Restore newlines in all elements.
                if (false !== strpos($pee, '')) {
                    $pee = str_replace(array('  ', ''), "\n", $pee);
                }

                return $pee;
            }

        }
    }

}
?>